My conservative pro-MAGA opinion: Trump made a lot of mistakes in his first 100 days (and blaming the falling markets on Biden was just a plain old lie), but he did manage to close the border on day 1, as he promised.
"The best 100 days of any president ever" is a little strong. I'd say that "The best first week of any president in a long time" is more accurate.
I'm a proud Maga supporter, but I will say that Trump was an idiot to blame the falling markets on Biden. I can give Trump the benefit of the doubt on a lot of things and pass off a lot of what he does as "mistakes," but that claim is just outrageously false.